Annotations: 7T6C

E. coli dihydroorotate dehydrogenase bound to the ubiquinone surrogate DCIP

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	FMN-linked oxidoreductases	8054272	3000014	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	FMN-linked oxidoreductases	8054272	3000014	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Proton_antipo_M	e7t6cB1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Proton_antipo_M	ECOD (v294.2)
A	Proton_antipo_M	e7t6cA1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Proton_antipo_M	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (utative)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01180	Dihydroorotate dehydrogenase (DHO_dh)	Dihydroorotate dehydrogenase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Dihydroorotate dehydrogenase (quinone)	dihydroorotate dehydrogenase (quinone) activity oxidoreductase activity dihydroorotate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor catalytic activity FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding dihydroorotate dehydrogenase (quinone) activity oxidoreductase activity dihydroorotate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor catalytic activity FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	ribose phosphate metabolic process nucleotide biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process phosphorus metabolic process ribose phosphate biosynthetic process pyrimidine ribonucleotide metabolic process ribose phosphate metabolic process nucleotide biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process phosphorus metabolic process ribose phosphate biosynthetic process pyrimidine ribonucleotide metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine-containing compound metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleotide metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process pyrimidine nucleotide biosynthetic process pyrimidine ribonucleotide biosynthetic process nucleobase biosynthetic process pyrimidine nucleobase biosynthetic process pyrimidine nucleobase metabolic process nucleobase metabolic process 'de novo' pyrimidine nucleobase biosynthetic process 'de novo' UMP biosynthetic process UMP biosynthetic process UMP metabolic process nucleoside monophosphate metabolic process pyrimidine nucleoside monophosphate metabolic process pyrimidine ribonucleoside monophosphate metabolic process nucleoside monophosphate biosynthetic process pyrimidine ribonucleoside monophosphate biosynthetic process pyrimidine nucleoside monophosphate biosynthetic process ribonucleoside monophosphate biosynthetic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A, B	IPR005719	Dihydroorotate dehydrogenase, class 2	Family
A, B	IPR005720	Dihydroorotate dehydrogenase, catalytic	Domain
A, B	IPR001295	Dihydroorotate dehydrogenase, conserved site	Conserved Site
A, B	IPR050074	Dihydroorotate dehydrogenase	Family
A, B	IPR012135	Dihydroorotate dehydrogenase, class 1/ 2	Family

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.